1. John works for the local used car dealership. His weekly
salary is $300 plus a commission based on the number of
cars that he sells. His commission is $50 per car for the
first 5 cars sold each week. For any car
over 5 sold each week, John earns a commission
of $150 per car.
Complete the piecewise function that can be used to calculate
John's weekly salary, S, when he
sells t cars each week. Note: Use
the letter t as your variable.
S(t) =
if
0 ≤ t ≤ 5
if t > 5
2. Nationwide Communications offers its customers a monthly
plan for text messaging. Customers under this plan pay a flat rate
of $15.00 each month for up to 250 text
messages. For each additional text message over 250 (up
to 1000 messages), the customer will pay $0.20. For
each message over 1000 messages, the customer will
pay $0.40.
Complete the piecewise function that can be used to calculate the
monthly billing amount, B, for a monthly level
of t text messages. Note: Use the
letter t as your variable.
B(t) =
if 0 ≤ t ≤ 250
if 250 < t ≤ 1000
if t > 1000